You won't be able to. If you configured them up as a stripe (ie, no mirroring)
with interleaving every x megabytes on each disk, you'll basically end up
with a virtual hard disk with "holes" evenly spread out across 1/3rd of
the image. I don't know of any (easy) tools to recover from that.

I can think of what I'd write to try and recover -something- but it'd
involve writing a whole lot of rather hairy looking filesystem-scraping
code. I'm sure there are tools to do this kind of partial data recovery
but they're bound to be -very- expensive.



Adrian

On Wed, Jun 16, 2010, Gerald C.Catling wrote:
> Many thanks to all that responded to try to solve this LVM problem.
> I could not recover any data from the crashed system. I could not find any 
> method of mounting  drive 2 or 3 as individual drives and the system would 
> not 
> create a volume group without the now non-existant first drive.
> Once again, many thanks.
> I will have to try RAID 1.
> Gerald
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